Turns out I lied, I did not have the latest drivers. Updating from Device Manager said I was up to date, but there was a new driver on lenovos website. Date - 10/7/16 Ver - 21.20.16.4534 And now... 3DViewer won't even start before Kicad crashes. Guess its back to the old drivers. On Tue, Dec 6, 2016 at 10:27 AM, Sean McFarlane